*SUPPORT*
IN: fep OUT: BLUE
IN: fep dax gazzer OUT: BLUE GREEN
IN: fep dax fep kiki fep zup gazzer OUT: BLUE BLUE YELLOW BLUE GREEN
IN: gazzer zup kiki OUT: GREEN YELLOW
IN: gazzer lug zup gazzer OUT: GREEN PINK GREEN
IN: gazzer tufa fep OUT: BLUE GREEN
IN: fep tufa kiki zup fep OUT: YELLOW BLUE BLUE
IN: lug zup gazzer OUT: PINK GREEN
IN: kiki gazzer zup gazzer OUT: YELLOW GREEN GREEN
IN: gazzer fep dax fep OUT: GREEN BLUE BLUE
IN: gazzer tufa gazzer zup fep OUT: GREEN BLUE GREEN
IN: gazzer tufa fep zup kiki OUT: BLUE YELLOW GREEN
IN: lug gazzer zup fep dax fep OUT: PINK GREEN BLUE BLUE
IN: lug dax kiki zup gazzer OUT: PINK YELLOW GREEN

*QUERY*
IN: lug OUT: PINK
IN: lug zup gazzer dax gazzer zup lug OUT: PINK GREEN GREEN PINK
IN: fep tufa fep kiki tufa gazzer dax fep OUT: BLUE GREEN YELLOW BLUE BLUE
IN: kiki OUT: YELLOW
IN: kiki tufa gazzer dax kiki zup lug OUT: GREEN YELLOW PINK YELLOW
IN: lug tufa fep zup lug OUT: BLUE PINK PINK
IN: fep tufa lug fep zup kiki OUT: PINK BLUE YELLOW BLUE
IN: kiki zup gazzer OUT: YELLOW GREEN
IN: fep zup fep OUT: BLUE BLUE
IN: fep zup kiki OUT: BLUE YELLOW

*GRAMMAR*
fep -> BLUE 
 kiki -> YELLOW 
 lug -> PINK 
 gazzer -> GREEN 
 u1 tufa x1 -> [x1] [u1] 
 u1 zup u2 -> [u1] [u2] 
 x1 dax x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 